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Diffstat (limited to 'Documentation/media/uapi/v4l/v4l2-selection-flags.rst')
-rw-r--r-- | Documentation/media/uapi/v4l/v4l2-selection-flags.rst | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/Documentation/media/uapi/v4l/v4l2-selection-flags.rst b/Documentation/media/uapi/v4l/v4l2-selection-flags.rst new file mode 100644 index 0000000..3ce3731 --- /dev/null +++ b/Documentation/media/uapi/v4l/v4l2-selection-flags.rst @@ -0,0 +1,71 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _v4l2-selection-flags: + +*************** +Selection flags +*************** + + +.. _v4l2-selection-flags-table: + +.. flat-table:: Selection flag definitions + :header-rows: 1 + :stub-columns: 0 + + + - .. row 1 + + - Flag name + + - id + + - Definition + + - Valid for V4L2 + + - Valid for V4L2 subdev + + - .. row 2 + + - ``V4L2_SEL_FLAG_GE`` + + - (1 << 0) + + - Suggest the driver it should choose greater or equal rectangle (in + size) than was requested. Albeit the driver may choose a lesser + size, it will only do so due to hardware limitations. Without this + flag (and ``V4L2_SEL_FLAG_LE``) the behaviour is to choose the + closest possible rectangle. + + - Yes + + - Yes + + - .. row 3 + + - ``V4L2_SEL_FLAG_LE`` + + - (1 << 1) + + - Suggest the driver it should choose lesser or equal rectangle (in + size) than was requested. Albeit the driver may choose a greater + size, it will only do so due to hardware limitations. + + - Yes + + - Yes + + - .. row 4 + + - ``V4L2_SEL_FLAG_KEEP_CONFIG`` + + - (1 << 2) + + - The configuration must not be propagated to any further processing + steps. If this flag is not given, the configuration is propagated + inside the subdevice to all further processing steps. + + - No + + - Yes |